LIU Mingguang1; 2; FENG Zhiyong1; HUO Guanghua2; DONG Yan3; GAO Junhui1; CAO Hui1; CHEN Mingjie11Shanghai Edible Fungi Biotechnology and Engineering Research Center; Key Laboratory of AgriculturalGenetics and Breeding of Shanghai; Institute of Edible Fungi; Shanghai Academy of Agricultural Sciences; Shanghai 201106; China; 2College of Bioscience & Bioengineering; Jiangxi Agricultural University; Nanchang; Jiangxi 330045; China; 3College of Life Sciences; Nanjing Agricultural University; Nanjing; Jiangsu 210095; China

【中文摘要】 Microscopical examination revealed that basidia of Hypsizygus marmoreus,strain SIEF3133,produced four basidiospores.Data obtained from mating tests conducted with 78 basidiospore monokaryons indicated that H.marmoreus has a tetrapolar mating system under the control of two genetic factors,A and B.X2 tests indicated that the distribution of the four mating types among spore monokaryons was in accordance with the 1∶1∶1∶1 law of segregation.In addition,new types of A and B factors,originating throu...更多gh recombination within the respective mating-type factors during sexual reproduction,were detected at a rate of 1.3%.  還原

【英文摘要】 Microscopical examination revealed that basidia of Hypsizygus marmoreus,strain SIEF3133,produced four basidiospores.Data obtained from mating tests conducted with 78 basidiospore monokaryons indicated that H.marmoreus has a tetrapolar mating system under the control of two genetic factors,A and B.X2 tests indicated that the distribution of the four mating types among spore monokaryons was in accordance with the 1∶1∶1∶1 law of segregation.In addition,new types of A and B factors,originating through recombination within the respective mating-type factors during sexual reproduction,were detected at a rate of 1.3%.

【英文關(guān)鍵詞】 Hypsizygus marmoreus ; mating type; recombination of mating-factor
【基金】Sponsored by the Foundation of Shanghai Agaricultural Committee [No (2005) D6-3]

【文獻出處】 食用菌學(xué)報,Acta Edulis Fungi,編輯部郵箱,2008年01期 【DOI】CNKI:SUN:SYJB.0.2008-01-005